black whale

Học thuật
Thân thiện
black whale

A black whale swims near the surface of the ocean.

Definition

Noun: 1. Sperm whale: A large toothed whale (Physeter macrocephalus) characterized by a massive head containing spermaceti oil and wax. Historically hunted for this spermaceti, as well as for ambergris, a waxy substance produced in its intestines. 2. Pilot whale: A smaller, dark-colored, toothed whale of the genus Globicephala, known for its social behavior where pods are often led by a large male. Specifically refers to the long-finned pilot whale (Globicephala melas) found in the Atlantic.

Usage Examples
  • Sperm whale context:
    • The old whaling logs often documented the pursuit of the black whale for its valuable spermaceti.
    • Ambergris, a rare perfume fixative, is sometimes found in the intestines of the black whale.
  • Pilot whale context:
    • A pod of black whales was spotted off the coast, their dorsal fins breaking the surface in unison.
    • The stranding of several black whales on the beach prompted a major rescue effort.
Advanced Usage & Notes
  • The term "black whale" is an informal, common name and can be ambiguous, as it refers to two different cetacean species. The specific meaning is usually determined by regional context or accompanying description.
  • In historical and whaling contexts, "black whale" most frequently refers to the sperm whale.
  • In modern marine biology and wildlife observation, particularly along the North Atlantic coast, "black whale" often refers to the pilot whale.
Variants and Related Words
  • Sperm whale: The more precise and common term for . Also historically called the cachalot.
  • Pilot whale: The more precise term for species. Also called pothead whale in some regions.
  • Blackfish: A colloquial term that can sometimes refer to pilot whales or other small, dark cetaceans, adding to potential confusion.
Synonyms
  • For the sperm whale meaning: cachalot, spermacet whale.
  • For the pilot whale meaning: pothead whale, Atlantic pilot whale.
Related Phrases & Idioms
  • A Moby-Dick of a problem: While not directly using "black whale," this idiom references the famous sperm whale from literature to describe a large, obsessive, or elusive challenge. This connects to the sperm whale meaning of "black whale."
    • Finalizing this merger has become a real Moby-Dick of a problem for the CEO.
black whale

A black whale swims near the surface of the ocean.

Noun
  1. large whale with a large cavity in the head containing spermaceti and oil; also a source of ambergris
  2. small dark-colored whale of the Atlantic coast of the United States; the largest male acts as pilot or leader for the school

Từ đồng nghĩa

Từ gần giống